Exercise Number 4.

Determine the median, quartile 1, quartile 3, decile 1, percentile 15, and percentile 85 of the following scores of students in the preliminary examinations in Biology:

35284533354050334035192438253620324230223322313829

Exercise 5.

The following data are the ages of the students enrolled in a master's degree program in the graduate school:

35,26,39,25,45,38,40,51,47,30,29,40,33,30,28

1.Determine the range.

2.Compute the mean absolute deviation ( MAD) (show the formula)

3.Compute the standard deviation (SD) (Show the formula)